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==Ubiquitin Conjugating Enzyme, Ubc13== | ==Ubiquitin Conjugating Enzyme, Ubc13== | ||
<StructureSection load='1jbb' size='340' side='right' caption='[[1jbb]], [[Resolution|resolution]] 2.00Å' scene=''> | <StructureSection load='1jbb' size='340' side='right' caption='[[1jbb]], [[Resolution|resolution]] 2.00Å' scene=''> | ||
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Ubc13 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr> | </td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Ubc13 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Ubiquitin--protein_ligase Ubiquitin--protein ligase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.19 6.3.2.19] </span></td></tr> | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Ubiquitin--protein_ligase Ubiquitin--protein ligase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.19 6.3.2.19] </span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1jbb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jbb OCA], [http://pdbe.org/1jbb PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1jbb RCSB], [http://www.ebi.ac.uk/pdbsum/1jbb PDBsum]</span></td></tr> | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1jbb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jbb OCA], [http://pdbe.org/1jbb PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1jbb RCSB], [http://www.ebi.ac.uk/pdbsum/1jbb PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1jbb ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
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Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jb/1jbb_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jb/1jbb_consurf.spt"</scriptWhenChecked> | ||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
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</div> | </div> | ||
<div class="pdbe-citations 1jbb" style="background-color:#fffaf0;"></div> | <div class="pdbe-citations 1jbb" style="background-color:#fffaf0;"></div> | ||
== References == | == References == | ||
<references/> | <references/> | ||
Revision as of 11:59, 17 January 2018
Ubiquitin Conjugating Enzyme, Ubc13Ubiquitin Conjugating Enzyme, Ubc13
Structural highlights
Function[UBC13_YEAST] Has a role in the DNA error-free postreplication repair (PRR) pathway. The UBC13/MMS2 heterodimer catalyzes the synthesis of non-canonical poly-ubiquitin chains that are linked through 'Lys-63'. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedWhile the signaling properties of ubiquitin depend on the topology of polyubiquitin chains, little is known concerning the molecular basis of specificity in chain assembly and recognition. UEV/Ubc complexes have been implicated in the assembly of Lys63-linked polyubiquitin chains that act as a novel signal in postreplicative DNA repair and I kappa B alpha kinase activation. The crystal structure of the Mms2/Ubc13 heterodimer shows the active site of Ubc13 at the intersection of two channels that are potential binding sites for the two substrate ubiquitins. Mutations that destabilize the heterodimer interface confer a marked UV sensitivity, providing direct evidence that the intact heterodimer is necessary for DNA repair. Selective mutations in the channels suggest a molecular model for specificity in the assembly of Lys63-linked polyubiquitin signals. Molecular insights into polyubiquitin chain assembly: crystal structure of the Mms2/Ubc13 heterodimer.,VanDemark AP, Hofmann RM, Tsui C, Pickart CM, Wolberger C Cell. 2001 Jun 15;105(6):711-20. PMID:11440714[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References |
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